The population variation as measured by the standard deviation has little or no effect in determining the size of a sample selected from the population.

Question

Quizplus · Accepted Answer

The population variation, as measured by the standard deviation, does have an effect on determining the size of a sample. A larger standard deviation implies more variability in the data, which requires a larger sample size to accurately represent the population. A smaller standard deviation implies less variability and thus, a smaller sample size may suffice.

The Population Variation as Measured by the Standard Deviation Has